Sync OpenBSD patchset 346:

Trim some code by moving the ioctl(TIOCGWINSZ) after SIGWINCH from the client
into the server.

This is another (the second of four) protocol version changes coming this
morning, so again the server should be killed before upgrading.
This commit is contained in:
Tiago Cunha 2009-09-23 14:44:02 +00:00
parent acedc2dcf2
commit 2acf349d4e
4 changed files with 37 additions and 66 deletions

View File

@ -1,4 +1,4 @@
/* $Id: client.c,v 1.72 2009-09-23 14:39:30 tcunha Exp $ */
/* $Id: client.c,v 1.73 2009-09-23 14:44:02 tcunha Exp $ */
/*
* Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net>
@ -34,7 +34,6 @@
#include "tmux.h"
void client_send_environ(struct client_ctx *);
void client_handle_winch(struct client_ctx *);
int
client_init(char *path, struct client_ctx *cctx, int cmdflags, int flags)
@ -104,8 +103,6 @@ server_started:
if (ioctl(STDIN_FILENO, TIOCGWINSZ, &ws) == -1)
fatal("ioctl(TIOCGWINSZ)");
data.flags = flags;
data.sx = ws.ws_col;
data.sy = ws.ws_row;
if (getcwd(data.cwd, sizeof data.cwd) == NULL)
*data.cwd = '\0';
@ -173,8 +170,10 @@ client_main(struct client_ctx *cctx)
waitpid(WAIT_ANY, NULL, WNOHANG);
sigchld = 0;
}
if (sigwinch)
client_handle_winch(cctx);
if (sigwinch) {
client_write_server(cctx, MSG_RESIZE, NULL, 0);
sigwinch = 0;
}
if (sigcont) {
siginit();
client_write_server(cctx, MSG_WAKEUP, NULL, 0);
@ -242,22 +241,6 @@ out:
}
}
void
client_handle_winch(struct client_ctx *cctx)
{
struct msg_resize_data data;
struct winsize ws;
if (ioctl(STDIN_FILENO, TIOCGWINSZ, &ws) == -1)
fatal("ioctl failed");
data.sx = ws.ws_col;
data.sy = ws.ws_row;
client_write_server(cctx, MSG_RESIZE, &data, sizeof data);
sigwinch = 0;
}
int
client_msg_dispatch(struct client_ctx *cctx)
{

View File

@ -1,4 +1,4 @@
/* $Id: server-msg.c,v 1.85 2009-09-23 14:39:30 tcunha Exp $ */
/* $Id: server-msg.c,v 1.86 2009-09-23 14:44:02 tcunha Exp $ */
/*
* Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net>
@ -17,6 +17,7 @@
*/
#include <sys/types.h>
#include <sys/ioctl.h>
#include <errno.h>
#include <stdlib.h>
@ -28,7 +29,6 @@
void server_msg_command(struct client *, struct msg_command_data *);
void server_msg_identify(struct client *, struct msg_identify_data *, int);
void server_msg_resize(struct client *, struct msg_resize_data *);
void printflike2 server_msg_command_error(struct cmd_ctx *, const char *, ...);
void printflike2 server_msg_command_print(struct cmd_ctx *, const char *, ...);
@ -40,7 +40,6 @@ server_msg_dispatch(struct client *c)
struct imsg imsg;
struct msg_command_data commanddata;
struct msg_identify_data identifydata;
struct msg_resize_data resizedata;
struct msg_unlock_data unlockdata;
struct msg_environ_data environdata;
ssize_t n, datalen;
@ -81,11 +80,12 @@ server_msg_dispatch(struct client *c)
server_msg_identify(c, &identifydata, imsg.fd);
break;
case MSG_RESIZE:
if (datalen != sizeof resizedata)
if (datalen != 0)
fatalx("bad MSG_RESIZE size");
memcpy(&resizedata, imsg.data, sizeof resizedata);
server_msg_resize(c, &resizedata);
tty_resize(&c->tty);
recalculate_sizes();
server_redraw_client(c);
break;
case MSG_EXITING:
if (datalen != 0)
@ -261,33 +261,7 @@ server_msg_identify(struct client *c, struct msg_identify_data *data, int fd)
if (data->flags & IDENTIFY_HASDEFAULTS)
c->tty.term_flags |= TERM_HASDEFAULTS;
c->tty.sx = data->sx;
if (c->tty.sx == 0)
c->tty.sx = 80;
c->tty.sy = data->sy;
if (c->tty.sy == 0)
c->tty.sy = 24;
tty_resize(&c->tty);
c->flags |= CLIENT_TERMINAL;
}
void
server_msg_resize(struct client *c, struct msg_resize_data *data)
{
c->tty.sx = data->sx;
if (c->tty.sx == 0)
c->tty.sx = 80;
c->tty.sy = data->sy;
if (c->tty.sy == 0)
c->tty.sy = 24;
c->tty.cx = UINT_MAX;
c->tty.cy = UINT_MAX;
c->tty.rupper = UINT_MAX;
c->tty.rlower = UINT_MAX;
recalculate_sizes();
/* Always redraw this client. */
server_redraw_client(c);
}

13
tmux.h
View File

@ -1,4 +1,4 @@
/* $Id: tmux.h,v 1.451 2009-09-23 14:39:30 tcunha Exp $ */
/* $Id: tmux.h,v 1.452 2009-09-23 14:44:02 tcunha Exp $ */
/*
* Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net>
@ -21,7 +21,7 @@
#include "config.h"
#define PROTOCOL_VERSION 2
#define PROTOCOL_VERSION 3
#include <sys/param.h>
#include <sys/time.h>
@ -335,14 +335,6 @@ struct msg_identify_data {
#define IDENTIFY_88COLOURS 0x4
#define IDENTIFY_HASDEFAULTS 0x8
int flags;
u_int sx;
u_int sy;
};
struct msg_resize_data {
u_int sx;
u_int sy;
};
struct msg_unlock_data {
@ -1197,6 +1189,7 @@ void tty_puts(struct tty *, const char *);
void tty_putc(struct tty *, u_char);
void tty_pututf8(struct tty *, const struct grid_utf8 *);
void tty_init(struct tty *, int, char *);
void tty_resize(struct tty *);
void tty_start_tty(struct tty *);
void tty_stop_tty(struct tty *);
void tty_detect_utf8(struct tty *);

23
tty.c
View File

@ -1,4 +1,4 @@
/* $Id: tty.c,v 1.134 2009-09-23 14:39:30 tcunha Exp $ */
/* $Id: tty.c,v 1.135 2009-09-23 14:44:02 tcunha Exp $ */
/*
* Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net>
@ -73,6 +73,27 @@ tty_init(struct tty *tty, int fd, char *term)
tty->term_flags = 0;
}
void
tty_resize(struct tty *tty)
{
struct winsize ws;
if (ioctl(tty->fd, TIOCGWINSZ, &ws) != -1) {
tty->sx = ws.ws_col;
tty->sy = ws.ws_row;
}
if (tty->sx == 0)
tty->sx = 80;
if (tty->sy == 0)
tty->sy = 24;
tty->cx = UINT_MAX;
tty->cy = UINT_MAX;
tty->rupper = UINT_MAX;
tty->rlower = UINT_MAX;
}
int
tty_open(struct tty *tty, const char *overrides, char **cause)
{